Circuit Breakers
Circuit Breakers - Source rare and hard-to-find breakers with ease
At ARCA Supply, we know that circuit breakers are essential to safeguarding electrical systems, protecting them from overloads and short circuits. Whether you're managing a commercial facility, maintaining industrial equipment, or working on residential projects, having the right circuit breakers ensures uninterrupted performance and peace of mind.
Our selection of circuit breakers spans a wide range of applications, from heavy-duty air circuit breakers (ACBs) to compact miniature circuit breakers (MCBs). We offer leading brands like Eaton, Siemens, and Square D, known for their reliability and performance. Whatever your power management needs, you can find the perfect solution here at ARCA Supply.
Explore Our Circuit Breaker Categories:
- Air Circuit Breakers (ACBs): Ideal for large-scale industrial applications, ACBs provide superior protection in high-current scenarios.
- Din Rail Mounted Circuit Breakers: These breakers are designed for quick installation in compact spaces, making them perfect for modular setups.
- Main Breakers: As a crucial part of any electrical system, main breakers ensure that circuits are effectively managed and protected from faults.
- Miniature Circuit Breakers (MCBs): Designed for residential and commercial use, MCBs are essential for protecting lower power circuits from damage.
- Molded Case Breakers (MCCBs): When high current protection is needed, MCCBs offer robust and durable performance.
- Motor Circuit Protectors (MCPs): Specifically engineered to protect motors, MCPs offer fast response times to prevent equipment damage.
- Circuit Breaker Accessories: From trip units to mounting kits, we stock a variety of accessories to enhance the functionality of your breakers.
Leading Brands We Carry:
At ARCA Supply, we carry a comprehensive lineup of top brands to ensure you get the best quality and reliability. Our inventory includes trusted names such as Eaton, Square D, Siemens, and General Electric. With over 2,600 Eaton products and hundreds from brands like ABB, Schneider Electric, and Leviton, you can be confident in finding exactly what you need.
Choose the Right Circuit Breaker:
When selecting a circuit breaker, factors such as current rating, voltage rating, and mounting style are critical. Our range includes options for:
- Current Ratings: From 15A to 600A, ensuring the right protection for every application.
- Voltage Ratings: With options ranging from 120V to 600V for both AC and DC applications.
- Mounting Types: Choose from plug-on, DIN rail, or bolt-on mountings to match your installation requirements.
Why Choose ARCA Supply?
As a trusted distributor specializing in hard-to-find electrical components, we ensure that our circuit breakers meet the highest industry standards. Our commitment to the circular economy also means that unsold products are responsibly recycled, helping to reduce waste while supporting your projects.
Explore our extensive collection of circuit breakers today and find the perfect solution for your electrical system’s needs.
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Air Circuit Breakers (ACBs)
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Din Rail Mounted Circuit Breakers
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Main Breakers
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Miniature Circuit Breakers (MCBs)
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Molded Case Breakers (MCCBs)
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Motor Circuit Protector (MCPs)
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Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Eaton LGU340032G Molded Case Breakers (MCCBs)
MSRP $22,467.52Surplus $3,474.61SKU: C15-9517 Brand: Eaton MPN: LGU340032G UPC: 78668518465 Shipping Weight: 14.85 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 9.00 In...- SKU:
- C15-9517
- TS PIK:
- 122381446
- Short Description:
- EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, LG-FRAME, LG, DIGITRIP 31
MSRP $22,467.52Surplus $3,474.61 -
Eaton LGX3630NN-MOD Molded Case Breakers (MCCBs) EA
MSRP $18,000.00Surplus $2,227.86SKU: C15-11211 Brand: Eaton MPN: LGX3630NN-MOD UPC: Shipping Weight: 13.65 lbs. Shipping Height: 5.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11211
MSRP $18,000.00Surplus $2,227.86 -
Eaton LHH3400NN Molded Case Breakers (MCCBs)
MSRP $1,500.00Surplus $453.12SKU: C15-11837 Brand: Eaton MPN: LHH3400NN UPC: Shipping Weight: 11.65 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-11837
MSRP $1,500.00Surplus $453.12 -
Eaton LKD1 Circuit Breaker Accessories
MSRP $15.10Surplus $9.82Eaton LKD1 Circuit Breaker Accessories​ ARCA SKU: C15-2452 Brand: Eaton MPN: LKD1 UPC: 786679148402 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2452
- Series:
- C
- Type:
- Non-Padlockable
- Used On:
- F Frame Circuit Breaker
- Locking Provision:
- ON/OFF
- Short Description:
- ON/OFF Locking Provision, Non-Padlockable
- Catalog:
- Eaton_27487_V4T2_454_V4T2_494_CAT.pdf
- TS PIK:
- 21505165
- Country of Origin:
- United States
MSRP $15.10Surplus $9.82 -
Eaton LPC215 Circuit Breaker Accessories
MSRP $72.00Surplus $27.00SKU: C15-11491 Brand: Eaton MPN: LPC215 UPC: Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In. Shipping Length: 11.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-11491
- Short Description:
- 15 kV, 95 kV BIL, 200 A, Insulated, Loadbreak Protective Cap with Drain Wire and Cuff/Silicone Lubricant
- Type:
- Insulated
- Data Sheet:
- Eaton_57936_1_2_DATA.pdf
- Catalog:
- Eaton_57916_11_CAT.pdf
MSRP $72.00Surplus $27.00 -
Eaton LST1RTK Circuit Breaker Accessories
MSRP $1,463.96Surplus $289.55SKU: C15-11223 Brand: Eaton MPN: LST1RTK UPC: 78667955366 Shipping Weight: 0.35 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11223
- TS PIK:
- 107004612
- Country of Origin:
- Dominican Republic
MSRP $1,463.96Surplus $289.55 -
Eaton LST3LPK Circuit Breaker Accessories
MSRP $969.00Surplus $385.12SKU: C15-11797 Brand: Eaton MPN: LST3LPK UPC: 78667965212 Shipping Weight: 0.20 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11797
- TS PIK:
- 107005270
MSRP $969.00Surplus $385.12 -
Eaton LT325032 Molded Case Breakers (MCCBs)
MSRP $4,300.80Surplus $688.17SKU: C15-9546 Brand: Eaton MPN: LT325032 UPC: 78211636591 Shipping Weight: 2.85 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In...- SKU:
- C15-9546
- TS PIK:
- 120877416
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 250 A, THREE-P
- Country of Origin:
- United States
MSRP $4,300.80Surplus $688.17 -
Eaton LT3500T Molded Case Breakers (MCCBs) 3P 500A
MSRP $3,692.79Surplus $799.34SKU: A13-1036 Brand: Eaton MPN: LT3500T UPC: 786679580073 Shipping Weight: 2.80 lbs. Shipping Height: 5.60 In. Shipping Length: 8.50 In. Shipping Width: 5.40 In...- SKU:
- A13-1036
- Adjustment:
- Magnetic Trip
- Approval:
- UL
- Approval:
- CE
- Amps:
- 500 A
- Frame:
- LD
- Frame:
- HLD
- Frame:
- LDC
- Poles:
- 3
- Type:
- Thermal Magnetic
- Short Description:
- 500 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
- Specification/Technical:
- Eaton_08951_1_2_SPEC.pdf
- Installation/Operator:
- Eaton_00487_INST.pdf
- TS PIK:
- 21513707
- Frame Type:
- LD, HLD, LDC
- Number of Poles:
- 3
- Current Rating:
- 500 A
- Catalog:
- Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
- Country of Origin:
- United States
MSRP $3,692.79Surplus $799.34 -
Eaton LTS3K Circuit Breaker Accessories
MSRP $147.00Surplus $66.10Eaton LTS3K Circuit Breaker Accessories​ ARCA SKU: C15-2350 Brand: Eaton MPN: LTS3K UPC: 782116197941 Shipping Weight: 0.60 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-2350
- Type:
- Terminal Cover
- Used On:
- G Series LG Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60661_1_2_SPEC.pdf
- TS PIK:
- 120395288
- Catalog:
- Eaton_03771_V4T2_162_V4T2_163_V4T2_218_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL SHIELD KIT, TERMINAL SHIELD
- Country of Origin:
- United States
MSRP $147.00Surplus $66.10 -
Eaton LW3800VW Molded Case Breakers (MCCBs) LW 3P 800A 690V 50/60Hz 3Ph L Frame
MSRP $16,368.70Surplus $2,257.51SKU: C15-1916 Brand: Eaton MPN: LW3800VW UPC: Shipping Weight: 25.55 lbs. Shipping Height: 9.00 In. Shipping Length: 19.00 In. Shipping Width: 11.00 In. Product...- SKU:
- C15-1916
- Frame Type:
- L
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 45 kA at 415 Vac
- Short Description:
- Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 800A, 690 Vac, 250 Vdc, 45 kA at 415 Vac, Without terminals, World
- Series:
- C
MSRP $16,368.70Surplus $2,257.51 -
Eaton M12CS Circuit Breaker Accessories
MSRP $366.00Surplus $165.12SKU: C15-11615 Brand: Eaton MPN: M12CS UPC: 78211466712 Shipping Weight: 1.35 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11615
- TS PIK:
- 124263779
MSRP $366.00Surplus $165.12 -
Eaton M3RRG2000 Circuit Breaker Accessories EA
MSRP $4,752.00Surplus $916.96SKU: C15-9645 Brand: Eaton MPN: M3RRG2000 UPC: 78211475205 Shipping Weight: 16.85 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 13.00 In...- SKU:
- C15-9645
- TS PIK:
- 121861112
- Type:
- Sensor/Rating Plug Field Change-Out Kit
- Used On:
- Double Standard Magnum Frame Circuit Breaker
- Catalog:
- EatonCorp-CutlerHammer_00007_64_CAT.pdf
- Country of Origin:
- United States
MSRP $4,752.00Surplus $916.96 -
Eaton M3RRG3200 Circuit Breaker Accessories EA
MSRP $5,684.00Surplus $735.76SKU: C15-9653 Brand: Eaton MPN: M3RRG3200 UPC: 78211475207 Shipping Weight: 16.50 lbs. Shipping Height: 8.00 In. Shipping Length: 13.00 In. Shipping Width: 13.00 In...- SKU:
- C15-9653
- TS PIK:
- 121861114
- Country of Origin:
- United States
MSRP $5,684.00Surplus $735.76 -
Eaton M3SRG1250 Circuit Breaker Accessories EA
MSRP $2,541.00Surplus $715.32SKU: C15-5180 Brand: Eaton MPN: M3SRG1250 UPC: 78211475184 Shipping Weight: 8.25 lbs. Shipping Height: 7.00 In. Shipping Length: 8.00 In. Shipping Width: 7.00 In...- SKU:
- C15-5180
- TS PIK:
- 121861093
- Short Description:
- 1250 A, 3-Pole, Standard, Current Sensor and Rating Plug Kit with (3) Sensor/(1) Rating Plug for Magnum 3200 A Low Vage Power Circuit Breaker
- Catalog:
- Eaton_14664_12_CAT.pdf
- Type:
- Sensor/Rating Plug Field Change Out Kit
- Used On:
- IEC Low Vage Air Circuit Breaker
MSRP $2,541.00Surplus $715.32 -
Eaton M4CS Circuit Breaker Accessories Cassette Cell Switch Kit Mounting Shield
MSRP $529.00Surplus $402.18SKU: C15-2552 Brand: Eaton MPN: M4CS UPC: 786685707396 Shipping Weight: 1.50 lbs. Shipping Height: 3.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In...- SKU:
- C15-2552
- General Accessories:
- Mounting Shield
- Short Description:
- EATON MAGNUM CELL SWITCH KIT, MAGNUM, UNIVERSAL
MSRP $529.00Surplus $402.18 -
Eaton MCBL300 Circuit Breaker Accessories
MSRP $140.00Surplus $82.38SKU: C15-3723 Brand: Eaton MPN: MCBL300 UPC: 782113099316 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-3723
- Body Material:
- 0
- Conductor Material:
- Copper/Aluminum
- Amps:
- 300 A
- Maximum Conductor Size:
- 300 KCMIL
- Minimum Conductor Size:
- 2 AWG
- Number of Conductors:
- 2
- Quantity:
- 1
- Used On:
- BW/BWH/CSR Series Main Breaker
- Short Description:
- 300 A, 2 AWG to 300 KCMIL, 2-Conductor, Aluminum, Circuit Breaker Terminal Kit
- Series:
- CH
- Specification/Technical:
- Eaton_39867_1_SPEC.pdf
- TS PIK:
- 111009832
- Catalog:
- Eaton_00001_V1T1_43_V1T1_92_CAT.pdf
- Type:
- Lug
- Country of Origin:
- Dominican Republic
MSRP $140.00Surplus $82.38 -
Eaton MCP23480CR Other Circuit Breakers
MSRP $2,731.00Surplus $1,565.62SKU: C15-6825 Brand: Eaton MPN: MCP23480CR UPC: Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-6825
MSRP $2,731.00Surplus $1,565.62 -
Eaton MDL3800 Molded Case Breakers (MCCBs) MDL 3P 800A 240V 50/60Hz 3Ph M Frame EA
MSRP $13,140.22Surplus $3,505.61SKU: C15-1819 Brand: Eaton MPN: MDL3800 UPC: 782114586006 Shipping Weight: 30.00 lbs. Shipping Height: 8.00 In. Shipping Length: 18.00 In. Shipping Width: 11.00 In...- SKU:
- C15-1819
- Frame Type:
- MDL
- Voltage Rating:
- 600 VAC
- Current Rating:
- 800 A
- Number of Poles:
- 3
- Interrupting Rating:
- 50 kA at 480 VAC
- Type:
- Line and Load Terminal
- Maximum AC Voltage Rating:
- 600 VAC
- Terminal Type:
- Line and Load Terminal
- Size:
- 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 800 A, 50 kA, 3-Pole, MDL Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_349-V4T2_351_CAT.pdf
- Installation/Operator:
- Eaton_00237_INST.pdf
- Specification/Technical:
- Eaton_39889_1_2_SPEC.pdf
- Series:
- C
- Maximum DC Voltage Rating:
- 250 V
- Approval:
- UL 489, CSA C22.2,CE
MSRP $13,140.22Surplus $3,505.61 -
Eaton MDL3800WK Molded Case Breakers (MCCBs)
MSRP $17,861.00Surplus $3,857.16SKU: U00-8349 Brand: Eaton MPN: MDL3800WK UPC: 78211441543 Shipping Weight: 26.00 lbs. Shipping Height: 9.00 In. Shipping Length: 22.00 In. Shipping Width: 10.00 In...- SKU:
- U00-8349
- Country of Origin:
- United States
MSRP $17,861.00Surplus $3,857.16